Intermediates

3-Iodo-4-fluorobromobenzene

  • CAS No.116272-41-4
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 3-iodo-4-fluorobromobenzene (CAS 116272-41-4), a versatile halogenated aromatic intermediate for advanced organic synthesis in pharmaceutical and agrochemical R&D.

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Product Technical Details

Product Overview

3-Iodo-4-fluorobromobenzene (CAS 116272-41-4) is a highly functionalized trihalogenated aromatic compound featuring bromine, fluorine, and iodine substituents on a benzene ring. This strategic arrangement of halogens imparts unique reactivity profiles, making it an invaluable building block in modern cross-coupling reactions such as Suzuki, Stille, and Sonogashira protocols. Its molecular architecture enables sequential and selective functionalization, which is critical for constructing complex molecular scaffolds in medicinal chemistry and materials science.

Specifications

Molecular FormulaC6H3BrFI
Molecular Weight300.895 g/mol
Density2.3 ± 0.1 g/cm³
Boiling Point247.4 ± 25.0 °C at 760 mmHg
Flash Point103.4 ± 23.2 °C
Vapour Pressure0.0 ± 0.5 mmHg at 25°C
Refractive Index1.629
AppearanceColorless transparent liquid
Assay≥98.0%

Industrial Applications

As a specialty halogenated intermediate, 3-iodo-4-fluorobromobenzene serves primarily in the synthesis of active pharmaceutical ingredients (APIs), crop protection agents, and high-performance electronic materials. The presence of three distinct halogens allows chemists to exploit differential reactivity—typically leveraging the iodine for initial palladium-catalyzed coupling, followed by transformations at the bromo or fluoro positions under controlled conditions. This stepwise derivatization capability significantly enhances synthetic efficiency in multi-step routes.

  • Ideal for late-stage diversification in drug discovery programs
  • Enables regioselective construction of biaryl and heterobiaryl systems
  • Compatible with a wide range of transition-metal catalysis platforms
  • Supplied in industrial-grade purity suitable for scale-up processes

Stored in a cool, well-ventilated area away from light and moisture, this compound is typically packed in 200 kg drums or customized containers to meet client-specific logistics and safety requirements.